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Finding the Fourth Proportional to 62,653.92, 86,461.25 and 35,429.64

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Solution

The fourth proportional to 62,653.92, 86,461.25 and 35,429.64 is: 48,892.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,653.92 : 86,461.25 = 35,429.64 : x
  2. Step 2: Convert to fraction form
    62,653.92/86,461.25 = 35,429.64/x
  3. Step 3: Cross multiply
    62,653.92x = 86,461.25 × 35,429.64
  4. Step 4: Simplify right side
    62,653.92x = 3,063,290,784.30
  5. Step 5: Solve for x
    x = 3,063,290,784.30/62,653.92
  6. Step 6: Final answer
    x = 48,892.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.